【java 接口实例化 〖java实例〗利用线程检测变量】`
public class Main {
static int i = 0;static int iAdd = i+1;public static void main(String[] args) throws Exception {// 用线程检测Thread thread = new Thread(new Runnable(){@Overridepublic void run() {// 临时保存值int save = i;while(true) {if( i !=save) {//获取新值save = i;// 处理iAdd = i+1;System.out.format("i 被改了 : i=%d , next=%d 。",i,iAdd);} else {}try {//休息